Sec. 80.864  Emergency electric lights.

    (a) Emergency electric light(s) must be installed to illuminate the 
operating controls of the radiotelephone installation at the principal 
operating position, the card of instructions, and the radiotelephone 
station clock if the latter is not self-illuminated.
    (b) The emergency electric light(s) must be energized from the 
reserve power supply, if a reserve power supply is required. In cases 
where a reserve power supply is not required, the emergency lights must 
be energized independently of the system which supplies the normal 
lighting.

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